var directoryArr = [
    {
        name:"第一章：公开课（含4期）",
        courses:[
            {
                name:"第0节：化学的研究对象和研究方法",//课程名称
                src:"https://vd2.bdstatic.com/mda-kgash83v7myxtd2y/sc/cae_h264/1609452578/mda-kgash83v7myxtd2y.mp4?v_from_s=hkapp-haokan-hbe&auth_key=1650872723-0-0-ef7ae7b93b02745b7efdf48a598ea8c6&bcevod_channel=searchbox_feed&pd=1&cd=0&pt=3&logid=0923455361&vid=7592021781488029146&abtest=100815_2-101454_4-101830_2-17451_1-3000222_1&klogid=0923455361"//课程视频路径
            },
            {
                name:"第1节：有机化学",
                src:"https://vd4.bdstatic.com/mda-jk5ryrtsqfxzvkzw/sc/mda-jk5ryrtsqfxzvkzw.mp4?v_from_s=hkapp-haokan-hbe&auth_key=1650872778-0-0-ecea13825384d6caeda9cd7addd67047&bcevod_channel=searchbox_feed&pd=1&cd=0&pt=3&logid=0977978788&vid=5624168303296322802&abtest=100815_2-101454_4-101830_2-17451_1-3000222_1&klogid=0977978788"
            },
            {
                name:"第2节：diy有机物",
                src:"https://vd2.bdstatic.com/mda-kgbwjq748n46ixth/sc/cae_h264/1609435454/mda-kgbwjq748n46ixth.mp4?v_from_s=hkapp-haokan-hbe&auth_key=1650872808-0-0-002a69d461c953ea29ee0f4e3937328e&bcevod_channel=searchbox_feed&pd=1&cd=0&pt=3&logid=1008643165&vid=8963373880706411723&abtest=100815_2-101454_4-101830_2-17451_1-3000222_1&klogid=1008643165"
            },
            {
                name:"第3节：论量子力学实际可行性",
                src:"https://vd4.bdstatic.com/mda-kg8gcr2ifmp3wpik/sc/cae_h264/1609622401/mda-kg8gcr2ifmp3wpik.mp4?v_from_s=hkapp-haokan-hbe&auth_key=1650872842-0-0-03968ba0786ac3541f1510857f8a8bb4&bcevod_channel=searchbox_feed&pd=1&cd=0&pt=3&logid=1042367787&vid=9292727959983912888&abtest=100815_2-101454_4-101830_2-17451_1-3000222_1&klogid=1042367787"
            } 
        ]
    },
    {
        name:"第二章：公开课（含4期）",
        courses:[
            {
                name:"第0节：化学的研究对象和研究方法",//课程名称
                src:"https://vd2.bdstatic.com/mda-kgash83v7myxtd2y/sc/cae_h264/1609452578/mda-kgash83v7myxtd2y.mp4?v_from_s=hkapp-haokan-hbe&auth_key=1650872723-0-0-ef7ae7b93b02745b7efdf48a598ea8c6&bcevod_channel=searchbox_feed&pd=1&cd=0&pt=3&logid=0923455361&vid=7592021781488029146&abtest=100815_2-101454_4-101830_2-17451_1-3000222_1&klogid=0923455361"//课程视频路径
            },
            {
                name:"第1节：有机化学",
                src:"https://vd4.bdstatic.com/mda-jk5ryrtsqfxzvkzw/sc/mda-jk5ryrtsqfxzvkzw.mp4?v_from_s=hkapp-haokan-hbe&auth_key=1650872778-0-0-ecea13825384d6caeda9cd7addd67047&bcevod_channel=searchbox_feed&pd=1&cd=0&pt=3&logid=0977978788&vid=5624168303296322802&abtest=100815_2-101454_4-101830_2-17451_1-3000222_1&klogid=0977978788"
            },
            {
                name:"第2节：diy有机物",
                src:"https://vd2.bdstatic.com/mda-kgbwjq748n46ixth/sc/cae_h264/1609435454/mda-kgbwjq748n46ixth.mp4?v_from_s=hkapp-haokan-hbe&auth_key=1650872808-0-0-002a69d461c953ea29ee0f4e3937328e&bcevod_channel=searchbox_feed&pd=1&cd=0&pt=3&logid=1008643165&vid=8963373880706411723&abtest=100815_2-101454_4-101830_2-17451_1-3000222_1&klogid=1008643165"
            },
            {
                name:"第3节：论量子力学实际可行性",
                src:"https://vd4.bdstatic.com/mda-kg8gcr2ifmp3wpik/sc/cae_h264/1609622401/mda-kg8gcr2ifmp3wpik.mp4?v_from_s=hkapp-haokan-hbe&auth_key=1650872842-0-0-03968ba0786ac3541f1510857f8a8bb4&bcevod_channel=searchbox_feed&pd=1&cd=0&pt=3&logid=1042367787&vid=9292727959983912888&abtest=100815_2-101454_4-101830_2-17451_1-3000222_1&klogid=1042367787"
            } 
        ]
    },
    {
        name:"第三章：公开课（含4期）",
        courses:[
            {
                name:"第0节：化学的研究对象和研究方法",//课程名称
                src:"https://vd2.bdstatic.com/mda-kgash83v7myxtd2y/sc/cae_h264/1609452578/mda-kgash83v7myxtd2y.mp4?v_from_s=hkapp-haokan-hbe&auth_key=1650872723-0-0-ef7ae7b93b02745b7efdf48a598ea8c6&bcevod_channel=searchbox_feed&pd=1&cd=0&pt=3&logid=0923455361&vid=7592021781488029146&abtest=100815_2-101454_4-101830_2-17451_1-3000222_1&klogid=0923455361"//课程视频路径
            },
            {
                name:"第1节：有机化学",
                src:"https://vd4.bdstatic.com/mda-jk5ryrtsqfxzvkzw/sc/mda-jk5ryrtsqfxzvkzw.mp4?v_from_s=hkapp-haokan-hbe&auth_key=1650872778-0-0-ecea13825384d6caeda9cd7addd67047&bcevod_channel=searchbox_feed&pd=1&cd=0&pt=3&logid=0977978788&vid=5624168303296322802&abtest=100815_2-101454_4-101830_2-17451_1-3000222_1&klogid=0977978788"
            },
            {
                name:"第2节：diy有机物",
                src:"https://vd2.bdstatic.com/mda-kgbwjq748n46ixth/sc/cae_h264/1609435454/mda-kgbwjq748n46ixth.mp4?v_from_s=hkapp-haokan-hbe&auth_key=1650872808-0-0-002a69d461c953ea29ee0f4e3937328e&bcevod_channel=searchbox_feed&pd=1&cd=0&pt=3&logid=1008643165&vid=8963373880706411723&abtest=100815_2-101454_4-101830_2-17451_1-3000222_1&klogid=1008643165"
            },
            {
                name:"第3节：论量子力学实际可行性",
                src:"https://vd4.bdstatic.com/mda-kg8gcr2ifmp3wpik/sc/cae_h264/1609622401/mda-kg8gcr2ifmp3wpik.mp4?v_from_s=hkapp-haokan-hbe&auth_key=1650872842-0-0-03968ba0786ac3541f1510857f8a8bb4&bcevod_channel=searchbox_feed&pd=1&cd=0&pt=3&logid=1042367787&vid=9292727959983912888&abtest=100815_2-101454_4-101830_2-17451_1-3000222_1&klogid=1042367787"
            } 
        ]
    },
    {
        name:"第四章：公开课（含4期）",
        courses:[
            {
                name:"第0节：化学的研究对象和研究方法",//课程名称
                src:"https://vd2.bdstatic.com/mda-kgash83v7myxtd2y/sc/cae_h264/1609452578/mda-kgash83v7myxtd2y.mp4?v_from_s=hkapp-haokan-hbe&auth_key=1650872723-0-0-ef7ae7b93b02745b7efdf48a598ea8c6&bcevod_channel=searchbox_feed&pd=1&cd=0&pt=3&logid=0923455361&vid=7592021781488029146&abtest=100815_2-101454_4-101830_2-17451_1-3000222_1&klogid=0923455361"//课程视频路径
            },
            {
                name:"第1节：有机化学",
                src:"https://vd4.bdstatic.com/mda-jk5ryrtsqfxzvkzw/sc/mda-jk5ryrtsqfxzvkzw.mp4?v_from_s=hkapp-haokan-hbe&auth_key=1650872778-0-0-ecea13825384d6caeda9cd7addd67047&bcevod_channel=searchbox_feed&pd=1&cd=0&pt=3&logid=0977978788&vid=5624168303296322802&abtest=100815_2-101454_4-101830_2-17451_1-3000222_1&klogid=0977978788"
            },
            {
                name:"第2节：diy有机物",
                src:"https://vd2.bdstatic.com/mda-kgbwjq748n46ixth/sc/cae_h264/1609435454/mda-kgbwjq748n46ixth.mp4?v_from_s=hkapp-haokan-hbe&auth_key=1650872808-0-0-002a69d461c953ea29ee0f4e3937328e&bcevod_channel=searchbox_feed&pd=1&cd=0&pt=3&logid=1008643165&vid=8963373880706411723&abtest=100815_2-101454_4-101830_2-17451_1-3000222_1&klogid=1008643165"
            },
            {
                name:"第3节：论量子力学实际可行性",
                src:"https://vd4.bdstatic.com/mda-kg8gcr2ifmp3wpik/sc/cae_h264/1609622401/mda-kg8gcr2ifmp3wpik.mp4?v_from_s=hkapp-haokan-hbe&auth_key=1650872842-0-0-03968ba0786ac3541f1510857f8a8bb4&bcevod_channel=searchbox_feed&pd=1&cd=0&pt=3&logid=1042367787&vid=9292727959983912888&abtest=100815_2-101454_4-101830_2-17451_1-3000222_1&klogid=1042367787"
            } 
        ]
    },
]